import config from '@/config'
import { ADMIN } from '@/config/default'
import { formatFullPath } from '@/utils/i18n'
import { filterMenu } from '@/utils/authority-utils'
import { getLocalSetting } from '@/utils/themeUtil'
import deepClone from 'lodash.clonedeep'
import utils from '@/utils/utils'

const localSetting = getLocalSetting(true)
const customTitlesStr = sessionStorage.getItem(process.env.VUE_APP_TBAS_TITLES_KEY)
const customTitles = (customTitlesStr && JSON.parse(customTitlesStr)) || []

export default {
  namespaced: true,
  state: {
    isMobile: false,
    animates: ADMIN.animates,
    palettes: ADMIN.palettes,
    pageMinHeight: 0,
    menuData: [],
    activatedFirst: undefined,
    customTitles,
    ...config,
    ...localSetting
  },
  getters: {
    menuData(state, getters, rootState) {
      if (state.filterMenu) {
        const { permissions, roles } = rootState.account
        return filterMenu(deepClone(state.menuData), permissions, roles)
      }
      return state.menuData
    },
    firstMenu(state, getters) {
      const { menuData } = getters
      if (menuData.length > 0 && !menuData[0].fullPath) {
        formatFullPath(menuData)
      }
      return menuData.map(item => {
        const menuItem = { ...item }
        delete menuItem.children
        return menuItem
      })
    },
    subMenu(state) {
      const { menuData, activatedFirst } = state
      if (menuData.length > 0 && !menuData[0].fullPath) {
        formatFullPath(menuData)
      }
      const current = menuData.find(menu => menu.fullPath === activatedFirst)
      let subMenu = current && current.children || []
      const showSubMenu = subMenu.find(menu => !menu.meta || !menu.meta.invisible)
      if (utils.isEmpty(showSubMenu)) {
        // 如果没有能显示的菜单，那么从其他菜单中选择
        const others = menuData.filter(menu => menu.fullPath !== activatedFirst)
        if (!utils.isEmpty(others)) {
          others.some((other) => {
            const tmpSubMenu = other && other.children || []
            const tmpShowSubMenu = tmpSubMenu.find(menu => !menu.meta || !menu.meta.invisible)
            if (!utils.isEmpty(tmpShowSubMenu)) {
              subMenu = tmpSubMenu
              return true
            }
          })
        }
      }
      return subMenu
    }
  },
  mutations: {
    setDevice(state, isMobile) {
      state.isMobile = isMobile
    },
    setTheme(state, theme) {
      state.theme = theme
    },
    setLayout(state, layout) {
      state.layout = layout
    },
    setMultiPage(state, multiPage) {
      state.multiPage = multiPage
    },
    setAnimate(state, animate) {
      state.animate = animate
    },
    setWeekMode(state, weekMode) {
      state.weekMode = weekMode
    },
    setFixedHeader(state, fixedHeader) {
      state.fixedHeader = fixedHeader
    },
    setFixedSideBar(state, fixedSideBar) {
      state.fixedSideBar = fixedSideBar
    },
    setLang(state, lang) {
      state.lang = lang
    },
    setHideSetting(state, hideSetting) {
      state.hideSetting = hideSetting
    },
    correctPageMinHeight(state, minHeight) {
      state.pageMinHeight += minHeight
    },
    setMenuData(state, menuData) {
      state.menuData = menuData
    },
    setAsyncRoutes(state, asyncRoutes) {
      state.asyncRoutes = asyncRoutes
    },
    setPageWidth(state, pageWidth) {
      state.pageWidth = pageWidth
    },
    setActivatedFirst(state, activatedFirst) {
      state.activatedFirst = activatedFirst
    },
    setFixedTabs(state, fixedTabs) {
      state.fixedTabs = fixedTabs
    },
    setCustomTitle(state, { path, title }) {
      if (title) {
        const obj = state.customTitles.find(item => item.path === path)
        if (obj) {
          obj.title = title
        } else {
          state.customTitles.push({ path, title })
        }
        sessionStorage.setItem(process.env.VUE_APP_TBAS_TITLES_KEY, JSON.stringify(state.customTitles))
      }
    },
    clearTabs(state) {
      sessionStorage.removeItem(process.env.VUE_APP_TBAS_KEY)
      sessionStorage.removeItem(process.env.VUE_APP_TBAS_TITLES_KEY)
    }
  }
}
